const express = require('express');
const axios = require('axios');
const cheerio = require('cheerio');

const app = express();
app.use(express.json());

const parsePage = async (url) => {
  const response = await axios.get(url);
  const html = response.data;
  const $ = cheerio.load(html);
  const parsedResults = [];

  $('.b-content__inline_item').each((index, element) => {
    const titleElement = $(element).find('.b-content__inline_item-link a');
    const title = titleElement.text().trim();
    const pageUrl = titleElement.attr('href');
    const imageUrl = $(element).find('.b-content__inline_item-cover a img').attr('src');

    parsedResults.push({
      title: title,
      imageUrl: imageUrl,
      pageUrl: pageUrl,
    });
  });

  return parsedResults;
};

app.get('/parse', async (req, res) => {
  try {
    const baseUrl = 'https://hdrezka180maa.org/animation';
    let currentPage = 1;
    let hasMorePages = true;
    const allResults = [];

    while (hasMorePages) {
      const pageUrl = currentPage === 1 ? baseUrl : `${baseUrl}/page/${currentPage}/`;
      const results = await parsePage(pageUrl);

      if (results.length === 0) {
        hasMorePages = false;
      } else {
        allResults.push(...results);
        currentPage++;
      }
    }

    res.json(allResults);
  } catch (error) {
    console.error(error);
    res.status(500).json({ error: 'Произошла ошибка сервера при парсинге.' });
  }
});

const port = 7860;
app.listen(port, () => {
  console.log(`Сервер запущен на порту ${port}`);
});